CVE-2023-50703 MEDIUM

CVE-2023-50703: Cleartext Transmission of Sensitive Information in EFACEC UC 500E

Vendor Efacec

Product UC 500E

Weakness CWE-319 · Cleartext transmission

Published December 19, 2023

Last update February 25, 2026

View on NVD All CVEs

CVSS base score

6.3/10

Attack vector Adjacent

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality High

Integrity Low

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

What the vulnerability does

01Description

An attacker with network access could perform a man-in-the-middle (MitM) attack and capture sensitive information to gain unauthorized access to the application.

Key dates

02Disclosure timeline

December 19, 2023 CVE published

February 25, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-50703 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/319.html